404432

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:195

約数の個数: 40

約数和(自身を含む): 940416

約数和(自身を除く): 535984

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 157, 161, 184, 314, 322, 368, 628, 644, 1099, 1256, 1288, 2198, 2512, 2576, 3611, 4396, 7222, 8792, 14444, 17584, 25277, 28888, 50554, 57776, 101108, 202216, 404432]

約数ペア:

[(1, 404432), (2, 202216), (4, 101108), (7, 57776), (8, 50554), (14, 28888), (16, 25277), (23, 17584), (28, 14444), (46, 8792), (56, 7222), (92, 4396), (112, 3611), (157, 2576), (161, 2512), (184, 2198), (314, 1288), (322, 1256), (368, 1099), (628, 644)]